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Photo recognition that keeps personal interests private

Photo-based information services that use image recognition can identify a user’s location and other private information, such as personal interests and tendencies. Researchers developed an encryption-free framework called EnfPire to preserve users’ privacy. EnfPire transforms a visual feature extracted from a photo so that it cannot be uniquely identified. The photo-based information service’s server returns a set of candidates, which the user compares with the original image to determine the final recognition result.Photo recognition that keeps personal interests private